General HAM exam Questions with 100% Correct
Answers
Which wire or wires in a four conductor connection should be attached to fuses or circuit
breakers in a device operated from a 240 VAC single phase source? - ✔✔Only the two wires
carrying voltage
On which of the following bands is phone operation prohibited? - ✔✔30 meters
Which of the following is a requirement for a non-licensed person to communicate with a
foreign Amateur Radio station from a station with an FCC-granted license at which an FCC
licensed control operator is present? - ✔✔The foreign amateur station must be in a country
with which the United States has a third party agreement
Which of the following statements is true of voice VOX operation versus PTT operation? -
✔✔It allows "hands free" operation
Which of the following is a use for the IF shift control on a receiver? - ✔✔To avoid
interference from stations very close to the receive frequency
What type of transmitter performance does a two tone test analyze? - ✔✔Linearity
What sound is heard from an audio device or telephone if there is interference from a nearby
single side band phone transmitter? - ✔✔Distorted speech
Which of the following frequencies is available to a control operator holding a General class
license? - ✔✔All of these choices are correct
,When may music e transmitted by an amateur station? - ✔✔When it is an incidental part of
a manned space craft retransmission
What is one thing that can be done if evaluation shows that a neighbor might receive more
than an allowable limit of RF exposure from the main lobe of a directional antenna? -
✔✔Take precautions to ensure that the antenna cannot be pointed in their direction
Which of the following is the best instrument to use when checking the keying waveform of a
CW transmitter? - ✔✔An oscilliscope
When is an amateur station allowed to use any means at its disposal to assist another station in
distress? - ✔✔At anytime during an actual emergency
What does it mean when a CW operator sends a "KN" at the end of a transmission? -
✔✔Listening only for a specific station or stations
Approximately how long is the typical sunspot cycle? - ✔✔11 years
Which of the following describes a waterfall display? - ✔✔Frequency is horizontal, signal
strength is intensity, time is vertical
What is the approximate maximum distance along the Earth's surface that is normally covered
in one hop using the E-region? - ✔✔1,200 miles
Which of the following is a primary reason for not placing a gasoline-fueled generator inside an
occupied area? - ✔✔Danger of carbon monoxide poisoning
Who or what determines "good engineering and good amateur practice" as applied to the
operation of an amateur station in all respects not covered by the Part 97 rules? - ✔✔The
FCC
, What frequency should be used to send a distress call? - ✔✔Whichever frequency has the
best chance of communicating the distress message
Which of the following is needed for a Digital Signal Processor IF filter? - ✔✔All of the these
choices are correct
What emission is produced by a reactance modulator connected to a transmitter RF amplifier
stage? - ✔✔Phase modulation
Which type of code is used for sending characters in a PSK31 signal? - ✔✔Varicode
Which of the following is an application for a Beverage antenna? - ✔✔Directional receiving
for low HF bands
What is the purpose of a gamma match used with Yagi antennas? - ✔✔To match the
relatively low feed point impedance to 50 ohms
What is the stage in a VHF FM transmitter that generates a harmonic of a lower frequency
signal to reach the desired operating frequency? - ✔✔Multiplier
What is the interaction between high standing wave ratio (SWR) and transmission line loss? -
✔✔If a transmission line is lossy, high SWR will increase the loss
What is the total resistance of three 100 ohm resistors in parallel? - ✔✔33.3 ohms
How much must the power output of a transmitter be raised to change the S meter reading on
a distant receiver from S8 to S9? - ✔✔Approximately 4 times
Answers
Which wire or wires in a four conductor connection should be attached to fuses or circuit
breakers in a device operated from a 240 VAC single phase source? - ✔✔Only the two wires
carrying voltage
On which of the following bands is phone operation prohibited? - ✔✔30 meters
Which of the following is a requirement for a non-licensed person to communicate with a
foreign Amateur Radio station from a station with an FCC-granted license at which an FCC
licensed control operator is present? - ✔✔The foreign amateur station must be in a country
with which the United States has a third party agreement
Which of the following statements is true of voice VOX operation versus PTT operation? -
✔✔It allows "hands free" operation
Which of the following is a use for the IF shift control on a receiver? - ✔✔To avoid
interference from stations very close to the receive frequency
What type of transmitter performance does a two tone test analyze? - ✔✔Linearity
What sound is heard from an audio device or telephone if there is interference from a nearby
single side band phone transmitter? - ✔✔Distorted speech
Which of the following frequencies is available to a control operator holding a General class
license? - ✔✔All of these choices are correct
,When may music e transmitted by an amateur station? - ✔✔When it is an incidental part of
a manned space craft retransmission
What is one thing that can be done if evaluation shows that a neighbor might receive more
than an allowable limit of RF exposure from the main lobe of a directional antenna? -
✔✔Take precautions to ensure that the antenna cannot be pointed in their direction
Which of the following is the best instrument to use when checking the keying waveform of a
CW transmitter? - ✔✔An oscilliscope
When is an amateur station allowed to use any means at its disposal to assist another station in
distress? - ✔✔At anytime during an actual emergency
What does it mean when a CW operator sends a "KN" at the end of a transmission? -
✔✔Listening only for a specific station or stations
Approximately how long is the typical sunspot cycle? - ✔✔11 years
Which of the following describes a waterfall display? - ✔✔Frequency is horizontal, signal
strength is intensity, time is vertical
What is the approximate maximum distance along the Earth's surface that is normally covered
in one hop using the E-region? - ✔✔1,200 miles
Which of the following is a primary reason for not placing a gasoline-fueled generator inside an
occupied area? - ✔✔Danger of carbon monoxide poisoning
Who or what determines "good engineering and good amateur practice" as applied to the
operation of an amateur station in all respects not covered by the Part 97 rules? - ✔✔The
FCC
, What frequency should be used to send a distress call? - ✔✔Whichever frequency has the
best chance of communicating the distress message
Which of the following is needed for a Digital Signal Processor IF filter? - ✔✔All of the these
choices are correct
What emission is produced by a reactance modulator connected to a transmitter RF amplifier
stage? - ✔✔Phase modulation
Which type of code is used for sending characters in a PSK31 signal? - ✔✔Varicode
Which of the following is an application for a Beverage antenna? - ✔✔Directional receiving
for low HF bands
What is the purpose of a gamma match used with Yagi antennas? - ✔✔To match the
relatively low feed point impedance to 50 ohms
What is the stage in a VHF FM transmitter that generates a harmonic of a lower frequency
signal to reach the desired operating frequency? - ✔✔Multiplier
What is the interaction between high standing wave ratio (SWR) and transmission line loss? -
✔✔If a transmission line is lossy, high SWR will increase the loss
What is the total resistance of three 100 ohm resistors in parallel? - ✔✔33.3 ohms
How much must the power output of a transmitter be raised to change the S meter reading on
a distant receiver from S8 to S9? - ✔✔Approximately 4 times
